Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755718Ab3CaVGI (ORCPT ); Sun, 31 Mar 2013 17:06:08 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:56579 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752421Ab3CaVGH (ORCPT ); Sun, 31 Mar 2013 17:06:07 -0400 Date: Sun, 31 Mar 2013 23:06:05 +0200 From: Pavel Machek To: kernel list , fabio.estevam@freescale.com, l.stach@pengutronix.de, Frank.Li@freescale.com, netdev@vger.kernel.org Subject: Freescale FEC: fall back to random address Message-ID: <20130331210605.GA29191@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1205 Lines: 38 If there's no valid ethernet address, fall back to randomly generated one. (Yes, I need to get newer u-boot for the board, but as the only available one is from 2009... this might be good idea). Signed-off-by: Pavel Machek index e3f3937..5a7d1e1 100644 pp--- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -906,6 +914,16 @@ static void fec_get_mac(struct net_device *ndev) iap = &tmpaddr[0]; } + /* + * 5) random mac address + */ + if (!is_valid_ether_addr(iap)) { + /* Report it and use a random ethernet address instead */ + netdev_err(ndev, "Invalid MAC address: %pM\n", iap); + random_ether_addr(iap); + netdev_info(ndev, "Using random MAC address: %pM\n", iap); + } + memcpy(ndev->dev_addr, iap, ETH_ALEN); /* Adjust MAC if using macaddr */ -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/